queen/src/main.rs
2024-03-04 22:21:08 -08:00

102 lines
3.2 KiB
Rust

use std::{
env::VarError,
io::Write,
net::{Ipv4Addr, SocketAddr},
};
use axum::{
routing::{get, MethodRouter},
Router,
};
use tokio::net::TcpListener;
use tower_http::services::ServeDir;
use tower_sessions::{Expiry, SessionManagerLayer};
use tower_sessions_sqlx_store::{sqlx::SqlitePool, SqliteStore};
#[macro_use]
extern crate justerror;
#[macro_use]
extern crate lazy_static;
mod handlers;
mod templates;
mod user;
#[tokio::main]
async fn main() {
use handlers::handlers::{get_signup, payment_success, post_signup};
init();
// for javascript and css
// TODO: figure out how to intern these contents
let assets_dir = std::env::current_dir().unwrap().join("assets");
let assets_svc = ServeDir::new(assets_dir.as_path());
// just for signups
let pool = SqlitePool::connect("sqlite:memory:").await.unwrap();
let session_store = SqliteStore::new(pool);
session_store.migrate().await.unwrap();
let session_layer = SessionManagerLayer::new(session_store)
.with_secure(false)
.with_same_site(tower_sessions::cookie::SameSite::Lax)
.with_expiry(Expiry::OnInactivity(time::Duration::hours(2)));
// the core application, defining the routes and handlers
let app = Router::new()
.nest_service("/assets", assets_svc)
.stripped_clone("/signup/", get(get_signup).post(post_signup))
.stripped_clone("/payment_success/", get(payment_success))
.route("/payment_success/:receipt", get(payment_success))
.layer(session_layer)
.into_make_service();
let listener = mklistener().await;
axum::serve(listener, app).await.unwrap();
}
//-************************************************************************
// li'l helpers
//-************************************************************************
fn init() {
dotenvy::dotenv().expect("Could not read .env file.");
env_logger::builder()
.format(|buf, record| {
let ts = buf.timestamp();
writeln!(buf, "{}: {}", ts, record.args())
})
.init();
}
async fn mklistener() -> TcpListener {
let ip =
std::env::var("LISTENING_ADDR").expect("Could not find $LISTENING_ADDR in environment");
let ip: Ipv4Addr = ip
.parse()
.unwrap_or_else(|_| panic!("Could not parse {ip} as an IP address"));
let port: u16 = std::env::var("LISTENING_PORT")
.and_then(|p| p.parse().map_err(|_| VarError::NotPresent))
.unwrap_or_else(|_| {
panic!("Could not find LISTENING_PORT in env or parse if present");
});
let addr = SocketAddr::from((ip, port));
TcpListener::bind(&addr).await.unwrap()
}
/// Adds both routes, with and without a trailing slash.
trait RouterPathStrip<S>
where
S: Clone + Send + Sync + 'static,
{
fn stripped_clone(self, path: &str, method_router: MethodRouter<S>) -> Self;
}
impl<S> RouterPathStrip<S> for Router<S>
where
S: Clone + Send + Sync + 'static,
{
fn stripped_clone(self, path: &str, method_router: MethodRouter<S>) -> Self {
assert!(path.ends_with('/'));
self.route(path, method_router.clone())
.route(path.trim_end_matches('/'), method_router)
}
}